<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>在线尝试 Bootstrap 实例</title>
    <meta name="viewport" content="width=device-width,
                                     initial-scale=1.0,
                                     maximum-scale=1.0,
                                     user-scalable=no">

    <link rel="stylesheet" href="css/bootstrap.css">
    <script src="js/jquery-3.2.1.js"></script>
    <script src="js/bootstrap.js"></script>
</head>
<body>
<div class="container">


    <form class="form-inline" role="form">
        <div class="form-group">
            <label class="sr-only" for="name">名称</label>
            <input type="text" class="form-control" id="name"
                   placeholder="请输入名称">
        </div>
        <div class="form-group">
            <label class="sr-only" for="inputfile">文件输入</label>
            <input type="file" id="inputfile">
        </div>
        <div class="checkbox">
            <label>
                <input type="checkbox"> 请打勾
            </label>
        </div>
        <button type="submit" class="btn btn-default">提交</button>
    </form>


</div>
</body>
</html>